World -

As top diplomats rejoin talks, American families lobbying for their loved ones' release feel sidelined
At least 37 confirmed dead as a large aircraft smashes into the city of Medan for the second time in a decade
Japanese media say man and a 2nd person dead, others injured primarily from smoke that filled train car
Tehran's negotiators have shown signs of backtracking and several more days of discussions may be needed
Since the declaration of Islamic Caliphate in June of 2014, ISIS expanded to become one of the most feared terror groups in the world. CBS News takes a look into at the critical developments of ISIS in the past year.
Key political issues regarding climate change are still on the table with only 10 negotiating days left
Video captured Seifeddine Rezgui strolling across a Tunis beach moments before killing dozens of people. CBS News correspondent Charlie D'agata reports.
Greece owes nearly $2 billion that it cannot pay and could soon default
Fearful of a bank run, the Greek government shut down banks for this week pending a vote Sunday on accepting austerity measures
With the nation on the brink of default on its international loans, Greek Prime Minister Alexis Tsipras called for a referendum and the government announced banks would remain closed